diff --git a/package-lock.json b/package-lock.json
index 8ee10a16..b65e599f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9689,9 +9689,9 @@
       "dev": true
     },
     "reveal.js": {
-      "version": "3.9.2",
-      "resolved": "https://registry.npmjs.org/reveal.js/-/reveal.js-3.9.2.tgz",
-      "integrity": "sha512-Dvv2oA9FrtOHE2DWj5js8pMRfwq++Wmvsn1EyAdYLC80lBjTphns+tPsB652Bnvep9AVviuVS/b4XoVY9rXHLA=="
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/reveal.js/-/reveal.js-4.1.1.tgz",
+      "integrity": "sha512-Ol+/3LF4sZKQQOaG7/Jsa7t5Kix1I+dx9UEYL8mOOn2sWROtLcbI3AGHZbNQPWeuvnQ/y1R3MJ0vN9ZI5nBPUg=="
     },
     "right-align": {
       "version": "0.1.3",
diff --git a/package.json b/package.json
index c016c3e5..50927d6d 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "dependencies": {
     "highlight.js": "^10.1.1",
-    "reveal.js": "^3.9.2"
+    "reveal.js": "^4.1.1"
   },
   "devDependencies": {
     "@babel/core": "^7.10.3",